Expressions (phrases, clauses, etc.)
attempting two tasks at the same time, accomplishing neither; falling between two stools; catching neither the horsefly nor the bee
Idiomatic expression
そんなに欲をかいていると、虻蜂取らずになっちゃうよ。Don't be so greedy or you'll wind up with nothing.
Also written あぶはち取らず【あぶはちとらず】、アブハチ取らず【アブハチとらず】、虻蜂とらず【あぶはちとらず】